package com.atguigu.gmall.realtime.app.dwd.db;

import com.atguigu.gmall.realtime.app.BaseSQLApp;
import com.atguigu.gmall.realtime.common.Constant;
import com.atguigu.gmall.realtime.util.SQLUtil;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.table.api.Table;
import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;

import java.time.Duration;

/**
 * @Author lzc
 * @Date 2023/1/3 08:26
 */
public class Dwd_03_DwdTradeOrderDetail extends BaseSQLApp {
    public static void main(String[] args) {
        new Dwd_03_DwdTradeOrderDetail().init(
            3003,
            2,
            "Dwd_03_DwdTradeOrderDetail"
        );
    }
    
    @Override
    public void handle(StreamExecutionEnvironment env,
                       StreamTableEnvironment tEnv) {
        //        1. 读取 ods_db
        readOdsDb(tEnv, "Dwd_03_DwdTradeOrderDetail");
        //        2. 读取base_dic
        readBaseDic(tEnv);
        //        3. 从 ods_db过滤出order_detail
        Table orderDetail = tEnv.sqlQuery("select " +
                                              "data['id'] id," +
                                              "data['order_id'] order_id," +
                                              "data['sku_id'] sku_id," +
                                              "data['sku_name'] sku_name," +
                                              "data['create_time'] create_time," +
                                              "data['source_id'] source_id," +
                                              "data['source_type'] source_type," +
                                              "data['sku_num'] sku_num," +
                                              "cast(cast(data['sku_num'] as decimal(16,2)) * " +
                                              "       cast(data['order_price'] as decimal(16,2)) as String) split_original_amount," +
                                              "data['split_total_amount'] split_total_amount," +
                                              "data['split_activity_amount'] split_activity_amount," +
                                              "data['split_coupon_amount'] split_coupon_amount," +
                                              "ts," +
                                              "pt " +
                                              "from ods_db " +
                                              "where `database`='gmall2022' " +
                                              "and `table`='order_detail' " +
                                              "and `type`='insert' ");
        
        tEnv.createTemporaryView("order_detail", orderDetail);
        //    order_info
        Table orderInfo = tEnv.sqlQuery("select " +
                                            "data['id'] id," +
                                            "data['user_id'] user_id," +
                                            "data['province_id'] province_id " +
                                            "from ods_db " +
                                            "where `database`='gmall2022' " +
                                            "and `table`='order_info' " +
                                            "and `type`='insert' ");
        tEnv.createTemporaryView("order_info", orderInfo);
        // 详情活动
        Table orderDetailActivity = tEnv.sqlQuery("select " +
                                                      "data['order_detail_id'] order_detail_id," +
                                                      "data['activity_id'] activity_id," +
                                                      "data['activity_rule_id'] activity_rule_id " +
                                                      "from ods_db " +
                                                      "where `database`='gmall2022' " +
                                                      "and `table`='order_detail_activity' " +
                                                      "and `type`='insert' ");
        tEnv.createTemporaryView("order_detail_activity", orderDetailActivity);
        
        // 详情优惠券
        Table orderDetailCoupon = tEnv.sqlQuery("select " +
                                                    "data['order_detail_id'] order_detail_id," +
                                                    "data['coupon_id'] coupon_id " +
                                                    "from ods_db " +
                                                    "where `database`='gmall2022' " +
                                                    "and `table`='order_detail_coupon' " +
                                                    "and `type`='insert' ");
        tEnv.createTemporaryView("order_detail_coupon", orderDetailCoupon);
        //        4. 5 张表 join
        tEnv.getConfig().setIdleStateRetention(Duration.ofSeconds(5));
        
        Table result = tEnv.sqlQuery("select " +
                                        "od.id," +
                                        "od.order_id," +
                                        "oi.user_id," +
                                        "od.sku_id," +
                                        "od.sku_name," +
                                        "oi.province_id," +
                                        "act.activity_id," +
                                        "act.activity_rule_id," +
                                        "cou.coupon_id," +
                                        "date_format(od.create_time, 'yyyy-MM-dd') date_id," +
                                        "od.create_time," +
                                        "od.source_id," +
                                        "od.source_type," +
                                        "dic.dic_name source_type_name," +
                                        "od.sku_num," +
                                        "od.split_original_amount," +
                                        "od.split_activity_amount," +
                                        "od.split_coupon_amount," +
                                        "od.split_total_amount," +
                                        "od.ts " +
                                        "from order_detail od " +
                                        "join order_info oi on od.order_id=oi.id " +
                                        "left join order_detail_activity act on od.id=act.order_detail_id " +
                                        "left join order_detail_coupon cou on od.id=cou.order_detail_id " +
                                        "join base_dic for system_time as of od.pt as dic " +
                                        "on od.source_type=dic.dic_code");
        
        //        5. 写出到 kafka 中
        tEnv.executeSql("create table dwd_trade_order_detail(" +
                            "id string," +
                            "order_id string," +
                            "user_id string," +
                            "sku_id string," +
                            "sku_name string," +
                            "province_id string," +
                            "activity_id string," +
                            "activity_rule_id string," +
                            "coupon_id string," +
                            "date_id string," +
                            "create_time string," +
                            "source_id string," +
                            "source_type string," +
                            "source_type_name string," +
                            "sku_num string," +
                            "split_original_amount string," +
                            "split_activity_amount string," +
                            "split_coupon_amount string," +
                            "split_total_amount string," +
                            "ts bigint, " +
                            "primary key(id) not enforced)" + SQLUtil.getUpsertKafkaDDL(Constant.TOPIC_DWD_TRADE_ORDER_DETAIL));
        result.executeInsert("dwd_trade_order_detail");
    }
}
/*
交易域下单事务事实表
    order_detail                insert
        join
    order_info                  insert  订单
        left join
    order_detail_activity       insert
        left join
    order_detail_coupon         insert
        lookup join
    base_dic
    
1. 读取 ods_db
2. 读取base_dic
3. 从 ods_db过滤出order_detail
    ...
4. 5 张表 join

5. 写出到 kafka 中
*/